<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Crypt
 * @subpackage Rsa
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Public.php 23775 2011-03-01 17:25:24Z ralph $
 */

/**
 * @see Zend_Crypt_Rsa_Key
 */
require_once 'Zend/Crypt/Rsa/Key.php';

/**
 * @category   Zend
 * @package    Zend_Crypt
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Crypt_Rsa_Key_Public extends Zend_Crypt_Rsa_Key {
	
	protected $_certificateString = null;
	
	public function __construct($string) {
		$this->_parse ( $string );
	}
	
	/**
	 * @param string $string
	 * @throws Zend_Crypt_Exception
	 */
	protected function _parse($string) {
		if (preg_match ( "/^-----BEGIN CERTIFICATE-----/", $string )) {
			$this->_certificateString = $string;
		} else {
			$this->_pemString = $string;
		}
		$result = openssl_get_publickey ( $string );
		if (! $result) {
			/**
			 * @see Zend_Crypt_Exception
			 */
			require_once 'Zend/Crypt/Exception.php';
			throw new Zend_Crypt_Exception ( 'Unable to load public key' );
		}
		//openssl_pkey_export($result, $public);
		//$this->_pemString = $public;
		$this->_opensslKeyResource = $result;
		$this->_details = openssl_pkey_get_details ( $this->_opensslKeyResource );
	}
	
	public function getCertificate() {
		return $this->_certificateString;
	}

}